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6 Features and Specifications by NSG Model
Feature
Chassis
2 x GbE input ports
16, 12 or 8 x QAM
modulators
Maximum output bit rate
8, 6 or 4x RF outputs
1 x ASI monitoring port
Front panel LEDs
Description
1-RU, mounts in Electronic Industries
Association (EIA) standard rack
Provide two redundant GbE channels, or
two independent ports receiving
simultaneously different feeds
Max. allowed PCR jitter 10 msec (peak to
peak)
Payload of up to 800 Mbps (up to 256
services)
Max. Ethernet traffic (payload + pass
through traffic) 1000 Mbps
QAM Mode:
DVB (Annex A): 8 MHz
ITU-T (Annex B J.83): 6 MHz
ITU-T (Annex-C - Japan), 6 MHz
QAM Constellations:
Annex-A: 16, 32, 64, 128, 256
Annex-B: 64,256
Annex-C: 16, 32, 64, 128, 256
DVB: 408 Mbps (51.2 Mbps x 16)
ITU-T: 310.4 Mbps (38.8 Mbps x 16)
Each port carries two QAM channels,
combined and upconverted into two
adjacent RF channels
Connector: F-type
Recommended Cable: 75 Ohm, RG-6
QAM / RF Specifications:
see product specifications sheet
ASI monitoring port can be configured to
output the same data as the RF output ports.
The ASI Port can be configured to monitor all
transports.
Power, alarm, 2 input status, and 16, 12 and 8
output status LEDs.
CHAPTER 1
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